264 Fretp Museum or NaturaL History — Zoérocy, Vor. X. 
barbels; a naked area along ventral surface; adipose fin with a spine; 
ventral fins inserted below or anterior to the dorsal fin; dorsal spine low; 
pectoral spine serrate on its inner margin, its surface covered with 
bristles. 
19. Hoplosternum punctatum sp. nov. 
?Callichthys (Hoplosternum) thoracatus (non Cuvier & Valenciennes) 
Steindachner, Denkschr. K. Ak. Wiss. Wien, XLI, 1880, 66 (Cauca, 
near Caceres). 
Type No. 8943, F. M. N. H.; length 110 mm.; Rio Marte Arnade, 
six miles east of Panama City. 
Head 2.96 to 3.26; depth 3.1 to 3.54; D. I, 7 or 8; A. I, 6; lateral 
scutes, 25 above lateral line and 23 or 24 bekois its 
Body rather robust; dorsal region moderately elevated; anterior 
profile straight or gently convex; head broader than deep; snout obtuse, 
its length 2.2 to 2.36 in head; eye lateral, 7.45 to 8; interorbital 1.6 to 
1.67; mouth subterminal, rather small, its width less than length of 
snout; barbels varying in length, the longest reaching from lower third 
to opposite distal third of pectoral spine; the lower lip with 2 fleshy 
lobes; fontanel elongate in young, oval to nearly circular in adult; 
occipital failing to reach fontanel; the scutes without carinations; 5 
or 6 azygous plates in front of adipose spine; coracoids close together 
anteriorly, or overlapping in the male, separated posteriorly by a 
V-shaped naked area; distance between pectorals equal to or slightly 
shorter than length of coracoid plates; dorsal fin inserted notably 
nearer tip of snout than adipose; dorsal spine about equal to length of 
snout; adipose with a rather strong spine, the membrane adnate to the 
back; caudal fin with concave margin, but not as deep as in H. magda- 
lene; anal fin small, its origin by 2 scutes in advance of adipose; ventral 
fins about as long as snout and eye, a naked area between them, extend- 
ing back to vent; pectoral fins failing to reach base of ventrals except 
in young, the spine with serrations on the back side, its length 1.56 to 
1.73 in head. 
Color brownish black above, somewhat paler below. Entire body, 
except upper surface of head and dorsal region, with small, roundish 
black spots. These spots are also present on the rays of the dorsal and 
caudal fins. Base of caudal with a black bar, followed by a yellowish bar. 
Of this species we have 4 specimens, ranging in length from 85 to 110 
- mm. The largest we designate as the type. These were taken in the 
Rio Marte Arnade, a small coastal stream about 6 miles east of Panama. 
This is the only place where this fish was seen. Our specimens were 
taken during April, 1911. During March the following year this stream 
